package com.zte.club.util; import java.awt.AlphaComposite; import java.awt.Color; import java.awt.Font; import java.awt.Graphics2D; import java.awt.Image; import java.awt.RenderingHints; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileOutputStream; import java.io.InputStream; import java.io.OutputStream; import java.util.UUID; import javax.imageio.ImageIO; import javax.swing.ImageIcon; /******************************************************************************* * Description: 图片水印工具类 ******************************************************************************/ public class WaterMarkImageUtils { // 水印透明度 private static float alpha = 0.15f; // 水印横向位置 private static int positionWidth = -15; // 水印纵向位置 private static int positionHeight = 84; // 水印文字字体 private static Font font = new Font("SimHei", Font.PLAIN, 29); // 水印文字颜色 private static Color color = Color.gray; public static void createWaterMarkByName(String name, String imageFile) { if (name.length() >= 12) { setImageMarkOptions(0.15f, -15, 84, new Font("SimHei", Font.PLAIN, 22), Color.gray); } else if (name.length() < 12 && name.length() > 9) { setImageMarkOptions(0.15f, -15, 84, new Font("SimHei", Font.PLAIN, 26), Color.gray); } else { setImageMarkOptions(0.15f, 26, 84, new Font("SimHei", Font.PLAIN, 26), Color.gray); } markImageByText(name, 148, 148, imageFile, -45); } /** * * @param alpha * 水印透明度 * @param positionWidth * 水印横向位置 * @param positionHeight * 水印纵向位置 * @param font * 水印文字字体 * @param color * 水印文字颜色 */ public static void setImageMarkOptions(float alpha, int positionWidth, int positionHeight, Font font, Color color) { if (alpha != 0.0f) WaterMarkImageUtils.alpha = alpha; if (positionWidth != 0) WaterMarkImageUtils.positionWidth = positionWidth; if (positionHeight != 0) WaterMarkImageUtils.positionHeight = positionHeight; if (font != null) WaterMarkImageUtils.font = font; if (color != null) WaterMarkImageUtils.color = color; } /** * 给图片添加水印图片 * * @param iconPath * 水印图片路径 * @param srcImgPath * 源图片路径 * @param targerPath * 目标图片路径 */ public static void markImageByIcon(String iconPath, String srcImgPath, String targerPath) { markImageByIcon(iconPath, srcImgPath, targerPath, null); } /** * 给图片添加水印图片、可设置水印图片旋转角度 * * @param iconPath * 水印图片路径 * @param srcImgPath * 源图片路径 * @param targerPath * 目标图片路径 * @param degree * 水印图片旋转角度 */ public static void markImageByIcon(String iconPath, String srcImgPath, String targerPath, Integer degree) { OutputStream os = null; try { Image srcImg = ImageIO.read(new File(srcImgPath)); BufferedImage buffImg = new BufferedImage(srcImg.getWidth(null), srcImg.getHeight(null), BufferedImage.TYPE_INT_RGB); // 1、得到画笔对象 Graphics2D g = buffImg.createGraphics(); // 2、设置对线段的锯齿状边缘处理 g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR); g.drawImage(srcImg.getScaledInstance(srcImg.getWidth(null), srcImg.getHeight(null), Image.SCALE_SMOOTH), 0, 0, null); // 3、设置水印旋转 if (null != degree) { g.rotate(Math.toRadians(degree), (double) buffImg.getWidth() / 2, (double) buffImg.getHeight() / 2); } // 4、水印图片的路径 水印图片一般为gif或者png的,这样可设置透明度 ImageIcon imgIcon = new ImageIcon(iconPath); // 5、得到Image对象。 Image img = imgIcon.getImage(); g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP, alpha)); // 6、水印图片的位置 g.drawImage(img, positionWidth, positionHeight, null); g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER)); // 7、释放资源 g.dispose(); // 8、生成图片 os = new FileOutputStream(targerPath); ImageIO.write(buffImg, "JPG", os); System.out.println("图片完成添加水印图片"); } catch (Exception e) { e.printStackTrace(); } finally { try { if (null != os) os.close(); } catch (Exception e) { e.printStackTrace(); } } } /** * 给图片添加水印文字 * * @param logoText * 水印文字 * @param srcImgPath * 源图片路径 * @param targerPath * 目标图片路径 */ public static void markImageByText(String logoText, String srcImgPath, String targerPath) { markImageByText(logoText, srcImgPath, targerPath, null); } /** * 给图片添加水印文字、可设置水印文字的旋转角度 * * @param logoText * @param srcImgPath * @param targerPath * @param degree */ public static void markImageByText(String logoText, String srcImgPath, String targerPath, Integer degree) { InputStream is = null; OutputStream os = null; try { // 1、源图片 Image srcImg = ImageIO.read(new File(srcImgPath)); BufferedImage buffImg = new BufferedImage(srcImg.getWidth(null), srcImg.getHeight(null), BufferedImage.TYPE_INT_RGB); // 2、得到画笔对象 Graphics2D g = buffImg.createGraphics(); // 3、设置对线段的锯齿状边缘处理 g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR); g.drawImage(srcImg.getScaledInstance(srcImg.getWidth(null), srcImg.getHeight(null), Image.SCALE_SMOOTH), 0, 0, null); // 4、设置水印旋转 if (null != degree) { g.rotate(Math.toRadians(degree), (double) buffImg.getWidth() / 2, (double) buffImg.getHeight() / 2); } // 5、设置水印文字颜色 g.setColor(color); // 6、设置水印文字Font g.setFont(font); // 7、设置水印文字透明度 g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP, alpha)); // 8、第一参数->设置的内容,后面两个参数->文字在图片上的坐标位置(x,y) g.drawString(logoText, positionWidth, positionHeight); // 9、释放资源 g.dispose(); // 10、生成图片 os = new FileOutputStream(targerPath); ImageIO.write(buffImg, "JPG", os); System.out.println("图片完成添加水印文字"); } catch (Exception e) { e.printStackTrace(); } finally { try { if (null != is) is.close(); } catch (Exception e) { e.printStackTrace(); } try { if (null != os) os.close(); } catch (Exception e) { e.printStackTrace(); } } } public static void markImageByText(String logoText, int imgWidth, int imgHeight, String targerPath, Integer degree) { InputStream is = null; OutputStream os = null; try { BufferedImage buffImg = new BufferedImage(imgWidth, imgHeight, BufferedImage.TYPE_INT_RGB); // 2、得到画笔对象 Graphics2D g = buffImg.createGraphics(); g.setBackground(Color.WHITE); g.clearRect(0, 0, imgWidth, imgHeight); // 3、设置对线段的锯齿状边缘处理 g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR); // g.drawImage(); // 4、设置水印旋转 if (null != degree) { g.rotate(Math.toRadians(degree), (double) buffImg.getWidth() / 2, (double) buffImg.getHeight() / 2); } // 5、设置水印文字颜色 g.setColor(color); // 6、设置水印文字Font g.setFont(font); // 7、设置水印文字透明度 g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP, alpha)); // 8、第一参数->设置的内容,后面两个参数->文字在图片上的坐标位置(x,y) g.drawString(logoText, positionWidth, positionHeight); // 9、释放资源 g.dispose(); // 10、生成图片 File tmpFile = new File(targerPath); if (!tmpFile.getParentFile().exists()) { tmpFile.getParentFile().mkdirs(); } os = new FileOutputStream(targerPath); ImageIO.write(buffImg, "JPG", os); System.out.println("图片完成添加水印文字"); } catch (Exception e) { e.printStackTrace(); } finally { try { if (null != is) is.close(); } catch (Exception e) { e.printStackTrace(); } try { if (null != os) os.close(); } catch (Exception e) { e.printStackTrace(); } } } public static void main(String[] args) { String logoText = "10066666欧阳锋"; String logoText1 = "10099999叶问"; String logoText2 = "10088888西门吹雪"; String logoText3 = "西门吹雪"; String logoText4 = "李寻欢"; String logoText5 = "叶问"; String targetImage = "e:/10066666.jpg"; String targetImage1 = "e:/10099999.jpg"; String targetImage2 = "e:/10088888.jpg"; String targetImage3 = "e:/10099991.jpg"; String targetImage4 = "e:/10099992.jpg"; String targetImage5 = "e:/10099993.jpg"; System.out.println("生成水印文字开始..."); createWaterMarkByName(logoText,targetImage); createWaterMarkByName(logoText1,targetImage1); createWaterMarkByName(logoText2,targetImage2); createWaterMarkByName(logoText3,targetImage3); createWaterMarkByName(logoText4,targetImage4); createWaterMarkByName(logoText5,targetImage5); System.out.println("生成水印文字结束..."); } }
java生成水印
猜你喜欢
转载自lijie-insist.iteye.com/blog/2357992
今日推荐
周排行